DE3471209D1 - Protective relay system - Google Patents

Protective relay system

Info

Publication number
DE3471209D1
DE3471209D1 DE8484109048T DE3471209T DE3471209D1 DE 3471209 D1 DE3471209 D1 DE 3471209D1 DE 8484109048 T DE8484109048 T DE 8484109048T DE 3471209 T DE3471209 T DE 3471209T DE 3471209 D1 DE3471209 D1 DE 3471209D1
Authority
DE
Germany
Prior art keywords
relay system
protective relay
protective
relay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8484109048T
Other languages
German (de)
Inventor
Mitsuru Yamaura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3471209D1 publication Critical patent/DE3471209D1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/40—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to ratio of voltage and current
DE8484109048T 1983-08-10 1984-07-31 Protective relay system Expired DE3471209D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58144988A JPS6039312A (en) 1983-08-10 1983-08-10 Protective relaying device

Publications (1)

Publication Number Publication Date
DE3471209D1 true DE3471209D1 (en) 1988-06-16

Family

ID=15374861

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484109048T Expired DE3471209D1 (en) 1983-08-10 1984-07-31 Protective relay system

Country Status (4)

Country Link
US (1) US4577254A (en)
EP (1) EP0139123B1 (en)
JP (1) JPS6039312A (en)
DE (1) DE3471209D1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180424A (en) * 1984-02-28 1985-09-14 三菱電機株式会社 Shorting distance relay
JPH0828934B2 (en) * 1984-07-31 1996-03-21 株式会社東芝 Protection control device
JPS61112527A (en) * 1984-11-07 1986-05-30 三菱電機株式会社 Digital distance relay
JPS6240019A (en) * 1985-08-13 1987-02-21 三菱電機株式会社 Digital distance relay system
AU603871B2 (en) * 1987-03-03 1990-11-29 Mitsubishi Denki Kabushiki Kaisha Digital locator
SE459946B (en) * 1987-12-29 1989-08-21 Asea Ab RELAY PROTECTION WITH SELECTIVE PHASE SELECTION FOR DOUBLE CABLES
US5483462A (en) * 1990-05-07 1996-01-09 Cornell Research Foundation, Inc. On-line method for determining power system transient stability
JP3119541B2 (en) * 1993-03-25 2000-12-25 株式会社東芝 Frequency detection method
US5506789A (en) * 1993-10-15 1996-04-09 The Texas A & M University System Load extraction fault detection system
JP3790053B2 (en) 1998-10-14 2006-06-28 株式会社東芝 Distance relay
AT408921B (en) * 1999-04-13 2002-04-25 Lothar Dipl Ing Dr Tec Fickert MEASURING SYSTEM FOR REMOTELY MEASURING CURRENT AND VOLTAGE IN ELECTRIC POWER NETWORKS
GB201102031D0 (en) 2011-02-07 2011-03-23 Rolls Royce Plc Protection system for an electrical power network
CN102645614A (en) * 2012-04-26 2012-08-22 郭振威 Transmission line directional element based on high frequency sub-band signal handling capacity difference value of filter bank
CN104125595B (en) * 2013-04-25 2018-05-11 华为技术有限公司 Fault location and the method and detection device of isolation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52100149A (en) * 1976-02-18 1977-08-22 Tokyo Electric Power Co Inc:The Digital failure point evaluating unit
JPS595220B2 (en) * 1976-09-07 1984-02-03 カルプ工業株式会社 resin composition
JPS5592514A (en) * 1978-12-28 1980-07-14 Tokyo Shibaura Electric Co Digital protection relay
JPS55127829A (en) * 1979-03-27 1980-10-03 Tokyo Shibaura Electric Co Digital distance relay unit
US4300182A (en) * 1979-08-09 1981-11-10 Schweitzer Edmund O Iii Metering and protection system for an A.C. power system

Also Published As

Publication number Publication date
EP0139123B1 (en) 1988-05-11
US4577254A (en) 1986-03-18
JPH0320969B2 (en) 1991-03-20
EP0139123A1 (en) 1985-05-02
JPS6039312A (en) 1985-03-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition